*{ */
	margin: 0;
	padding: 0;
}
/* 去除样式 */
li {
	list-style: none;
}
a {
	text-decoration: none;
}


/* 标题样式 */
h1 {
	float: left;
	font-size: 16px;
	color: blue;
}
h2 {
	float: left;
	font-size: 15px;
	color: green;
}


/* 头部样式 */
.head {
	margin: 20px auto;
}

.lou img {
	width: 100%;
	height: 500px;
	float: left;
}

.nav img {
	float: left;
	width: 100%;
	height: 50px;
}

.nav_main{
	float: left;
	margin-left: 250px;
	margin-top: -50px;
	width: 100%;
	/* text-align: center; */
}

.nav_main ul li {
	float: left;
	margin-right: 40px;
}

.nav_main ul li a {
	font-size: 18px;
	color: white;
}


/* 中部样式 */
.banner{
	text-align: center;
}

.banner_left {
	float: left;
	width: 50%;
}

.banner_left img {
	float: left;
	width: 250px;
	height: 180px;
	margin-top: 50px;
	margin-left: 50px;
}

.banner_left_main {
	float: right;
	margin-top: 45px;
	margin-right: 50px;
}

.banner_left_main li p {
	float: inline-end;
	font-size: 15px;
	margin-bottom: 2px;
}

.banner_right {
	float: right;
	width: 50%;
}

.qjf img {
	float: left;
	width: 220px;
	height: 250px;
	margin-top: 50px;
}

.banner_right_main_up {
	margin-top: 45px;
	margin-right: 50px;
	float: left;
}

.banner_right_main_up li p {
	float: inline-end;
	float: left;
	font-size: 15px;
	margin-bottom: 2px;
}

.banner_right_main_down {
	/* margin-right: 50px; */
	float: left;
}

.banner_right_main_down img {
	width: 120px;
	margin-left:-200px ;
	margin-top: 60px;
}


/* 尾部样式 */
.down {
	/* text-align: center; */
	width: 100%;
	float: left;
	margin-bottom: 50px;
}

.down h1 {
	margin-left: 50px;
}

.line {
	width: 100%;
	border: 1px solid black;
	margin-top: 40px;
}

.img1 img {
	width: 3%;
	float: left;
	margin-left: -50px;
	margin-top: 100px;
}

.img2 img {
	float: left;
	text-align: center;
	margin-top: 50px;
	width: 330px;
	height: 150px;
}

.img3 img {
	width: 3%;
	float: right;
	margin-top: 100px;
}